may surface
Verbo regular: surface - surfaced- surfaced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may surface
you may surface
he may surface
we may surface
you may surface
they may surface 	I may be surfacing
you may be surfacing
he may be surfacing
we may be surfacing
you may be surfacing
they may be surfacing	I may have surfaced
you may have surfaced
he may have surfaced
we may have surfaced
you may have surfaced
they may have surfaced	I may have been surfacing
you may have been surfacing
he may have been surfacing
we may have been surfacing
you may have been surfacing
they may have been surfacing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't surface
you mayn't surface
he mayn't surface
we mayn't surface
you mayn't surface
they mayn't surface 	I mayn't be surfacing
you mayn't be surfacing
he mayn't be surfacing
we mayn't be surfacing
you mayn't be surfacing
they mayn't be surfacing	I mayn't have surfaced
you mayn't have surfaced
he mayn't have surfaced
we mayn't have surfaced
you mayn't have surfaced
they mayn't have surfaced	I mayn't have been surfacing
you mayn't have been surfacing
he mayn't have been surfacing
we mayn't have been surfacing
you mayn't have been surfacing
they mayn't have been surfacing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I surface?
may you surface?
may he surface?
may we surface?
may you surface?
may they surface? 	may I be surfacing?
may you be surfacing?
may he be surfacing?
may we be surfacing?
may you be surfacing?
may they be surfacing? 	may I have surfaced?
may you have surfaced?
may he have surfaced?
may we have surfaced?
may you have surfaced?
may they have surfaced? 	may I have been surfacing?
may you have been surfacing?
may he have been surfacing?
may we have been surfacing?
may you have been surfacing?
may they have been surfacing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I surface?
mayn't you surface?
mayn't he surface?
mayn't we surface?
mayn't you surface?
mayn't they surface? 	mayn't I be surfacing?
mayn't you be surfacing?
mayn't he be surfacing?
mayn't we be surfacing?
mayn't you be surfacing?
mayn't they be surfacing? 	mayn't I have surfaced?
mayn't you have surfaced?
mayn't he have surfaced?
mayn't we have surfaced?
mayn't you have surfaced?
mayn't they have surfaced? 	mayn't I have been surfacing?
mayn't you have been surfacing?
mayn't he have been surfacing?
mayn't we have been surfacing?
mayn't you have been surfacing?
mayn't they have been surfacing?